<http://webisa.webdatacommons.org/prov/442510195>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/319442616> .
<http://webisa.webdatacommons.org/319442616>	<http://www.w3.org/ns/prov#value>	"If we are physicists, and our programme is to confine ourselves to qualities independent of the subject ??? objective facts ??? we soon find that the observer is involved in all such qualities as colour, smell, taste." .
<http://webisa.webdatacommons.org/319442616>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/319442616>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<marxists.org> .